Home / 56,752.32-85,129.17-19,313.16

Finding the Fourth Proportional to 56,752.32, 85,129.17 and 19,313.16

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Solution

The fourth proportional to 56,752.32, 85,129.17 and 19,313.16 is: 28,969.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,752.32 : 85,129.17 = 19,313.16 : x
  2. Step 2: Convert to fraction form
    56,752.32/85,129.17 = 19,313.16/x
  3. Step 3: Cross multiply
    56,752.32x = 85,129.17 × 19,313.16
  4. Step 4: Simplify right side
    56,752.32x = 1,644,113,280.88
  5. Step 5: Solve for x
    x = 1,644,113,280.88/56,752.32
  6. Step 6: Final answer
    x = 28,969.97

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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.