Home / 57,312.84-79,088.17-31,817.72

Finding the Fourth Proportional to 57,312.84, 79,088.17 and 31,817.72

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Solution

The fourth proportional to 57,312.84, 79,088.17 and 31,817.72 is: 43,906.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,312.84 : 79,088.17 = 31,817.72 : x
  2. Step 2: Convert to fraction form
    57,312.84/79,088.17 = 31,817.72/x
  3. Step 3: Cross multiply
    57,312.84x = 79,088.17 × 31,817.72
  4. Step 4: Simplify right side
    57,312.84x = 2,516,405,248.37
  5. Step 5: Solve for x
    x = 2,516,405,248.37/57,312.84
  6. Step 6: Final answer
    x = 43,906.48

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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.