Home / 39,304,970.69-54,240,132.95-21,423,345.19

Finding the Fourth Proportional to 39,304,970.69, 54,240,132.95 and 21,423,345.19

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Solution

The fourth proportional to 39,304,970.69, 54,240,132.95 and 21,423,345.19 is: 29,563,820.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,304,970.69 : 54,240,132.95 = 21,423,345.19 : x
  2. Step 2: Convert to fraction form
    39,304,970.69/54,240,132.95 = 21,423,345.19/x
  3. Step 3: Cross multiply
    39,304,970.69x = 54,240,132.95 × 21,423,345.19
  4. Step 4: Simplify right side
    39,304,970.69x = 1,162,005,091,096,626
  5. Step 5: Solve for x
    x = 1,162,005,091,096,626/39,304,970.69
  6. Step 6: Final answer
    x = 29,563,820.32

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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.