Home / 38,436,036.46-53,041,729.77-21,032,381.17

Finding the Fourth Proportional to 38,436,036.46, 53,041,729.77 and 21,032,381.17

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Solution

The fourth proportional to 38,436,036.46, 53,041,729.77 and 21,032,381.17 is: 29,024,685.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,436,036.46 : 53,041,729.77 = 21,032,381.17 : x
  2. Step 2: Convert to fraction form
    38,436,036.46/53,041,729.77 = 21,032,381.17/x
  3. Step 3: Cross multiply
    38,436,036.46x = 53,041,729.77 × 21,032,381.17
  4. Step 4: Simplify right side
    38,436,036.46x = 1,115,593,878,438,776.62
  5. Step 5: Solve for x
    x = 1,115,593,878,438,776.62/38,436,036.46
  6. Step 6: Final answer
    x = 29,024,685.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.