Home / 56,737.92-78,298.16-31,587.36

Finding the Fourth Proportional to 56,737.92, 78,298.16 and 31,587.36

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Solution

The fourth proportional to 56,737.92, 78,298.16 and 31,587.36 is: 43,590.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,737.92 : 78,298.16 = 31,587.36 : x
  2. Step 2: Convert to fraction form
    56,737.92/78,298.16 = 31,587.36/x
  3. Step 3: Cross multiply
    56,737.92x = 78,298.16 × 31,587.36
  4. Step 4: Simplify right side
    56,737.92x = 2,473,232,167.26
  5. Step 5: Solve for x
    x = 2,473,232,167.26/56,737.92
  6. Step 6: Final answer
    x = 43,590.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.