Home / 57,240.04-85,863.90-19,803.76

Finding the Fourth Proportional to 57,240.04, 85,863.90 and 19,803.76

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Solution

The fourth proportional to 57,240.04, 85,863.90 and 19,803.76 is: 29,706.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,240.04 : 85,863.90 = 19,803.76 : x
  2. Step 2: Convert to fraction form
    57,240.04/85,863.90 = 19,803.76/x
  3. Step 3: Cross multiply
    57,240.04x = 85,863.90 × 19,803.76
  4. Step 4: Simplify right side
    57,240.04x = 1,700,428,068.26
  5. Step 5: Solve for x
    x = 1,700,428,068.26/57,240.04
  6. Step 6: Final answer
    x = 29,706.97

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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.