Home / 60,278.09-90,421.46-15,904.32

Finding the Fourth Proportional to 60,278.09, 90,421.46 and 15,904.32

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Solution

The fourth proportional to 60,278.09, 90,421.46 and 15,904.32 is: 23,857.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,278.09 : 90,421.46 = 15,904.32 : x
  2. Step 2: Convert to fraction form
    60,278.09/90,421.46 = 15,904.32/x
  3. Step 3: Cross multiply
    60,278.09x = 90,421.46 × 15,904.32
  4. Step 4: Simplify right side
    60,278.09x = 1,438,091,755.19
  5. Step 5: Solve for x
    x = 1,438,091,755.19/60,278.09
  6. Step 6: Final answer
    x = 23,857.62

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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.