Home / 42,319.27-63,478.99-10,729.32

Finding the Fourth Proportional to 42,319.27, 63,478.99 and 10,729.32

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Solution

The fourth proportional to 42,319.27, 63,478.99 and 10,729.32 is: 16,094.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,319.27 : 63,478.99 = 10,729.32 : x
  2. Step 2: Convert to fraction form
    42,319.27/63,478.99 = 10,729.32/x
  3. Step 3: Cross multiply
    42,319.27x = 63,478.99 × 10,729.32
  4. Step 4: Simplify right side
    42,319.27x = 681,086,423.81
  5. Step 5: Solve for x
    x = 681,086,423.81/42,319.27
  6. Step 6: Final answer
    x = 16,094.00

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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.