Home / 44,635.23-66,920.01-21,278.07

Finding the Fourth Proportional to 44,635.23, 66,920.01 and 21,278.07

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Solution

The fourth proportional to 44,635.23, 66,920.01 and 21,278.07 is: 31,901.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,635.23 : 66,920.01 = 21,278.07 : x
  2. Step 2: Convert to fraction form
    44,635.23/66,920.01 = 21,278.07/x
  3. Step 3: Cross multiply
    44,635.23x = 66,920.01 × 21,278.07
  4. Step 4: Simplify right side
    44,635.23x = 1,423,928,657.18
  5. Step 5: Solve for x
    x = 1,423,928,657.18/44,635.23
  6. Step 6: Final answer
    x = 31,901.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.