Home / 42,029-63,054.72-15,736.40

Finding the Fourth Proportional to 42,029, 63,054.72 and 15,736.40

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Solution

The fourth proportional to 42,029, 63,054.72 and 15,736.40 is: 23,608.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,029 : 63,054.72 = 15,736.40 : x
  2. Step 2: Convert to fraction form
    42,029/63,054.72 = 15,736.40/x
  3. Step 3: Cross multiply
    42,029x = 63,054.72 × 15,736.40
  4. Step 4: Simplify right side
    42,029x = 992,254,295.81
  5. Step 5: Solve for x
    x = 992,254,295.81/42,029
  6. Step 6: Final answer
    x = 23,608.80

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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.