Home / 52,270.92-72,111.60-31,038.66

Finding the Fourth Proportional to 52,270.92, 72,111.60 and 31,038.66

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Solution

The fourth proportional to 52,270.92, 72,111.60 and 31,038.66 is: 42,820.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,270.92 : 72,111.60 = 31,038.66 : x
  2. Step 2: Convert to fraction form
    52,270.92/72,111.60 = 31,038.66/x
  3. Step 3: Cross multiply
    52,270.92x = 72,111.60 × 31,038.66
  4. Step 4: Simplify right side
    52,270.92x = 2,238,247,434.46
  5. Step 5: Solve for x
    x = 2,238,247,434.46/52,270.92
  6. Step 6: Final answer
    x = 42,820.13

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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.