Home / 56,117.48-84,019.08-42,276.20

Finding the Fourth Proportional to 56,117.48, 84,019.08 and 42,276.20

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Solution

The fourth proportional to 56,117.48, 84,019.08 and 42,276.20 is: 63,295.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,117.48 : 84,019.08 = 42,276.20 : x
  2. Step 2: Convert to fraction form
    56,117.48/84,019.08 = 42,276.20/x
  3. Step 3: Cross multiply
    56,117.48x = 84,019.08 × 42,276.20
  4. Step 4: Simplify right side
    56,117.48x = 3,552,007,429.90
  5. Step 5: Solve for x
    x = 3,552,007,429.90/56,117.48
  6. Step 6: Final answer
    x = 63,295.92

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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.