Home / 58,854.20-81,220.40-31,998.51

Finding the Fourth Proportional to 58,854.20, 81,220.40 and 31,998.51

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Solution

The fourth proportional to 58,854.20, 81,220.40 and 31,998.51 is: 44,158.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,854.20 : 81,220.40 = 31,998.51 : x
  2. Step 2: Convert to fraction form
    58,854.20/81,220.40 = 31,998.51/x
  3. Step 3: Cross multiply
    58,854.20x = 81,220.40 × 31,998.51
  4. Step 4: Simplify right side
    58,854.20x = 2,598,931,781.60
  5. Step 5: Solve for x
    x = 2,598,931,781.60/58,854.20
  6. Step 6: Final answer
    x = 44,158.82

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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.