Home / 39,748.46-59,585.63-13,434.91

Finding the Fourth Proportional to 39,748.46, 59,585.63 and 13,434.91

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Solution

The fourth proportional to 39,748.46, 59,585.63 and 13,434.91 is: 20,139.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,748.46 : 59,585.63 = 13,434.91 : x
  2. Step 2: Convert to fraction form
    39,748.46/59,585.63 = 13,434.91/x
  3. Step 3: Cross multiply
    39,748.46x = 59,585.63 × 13,434.91
  4. Step 4: Simplify right side
    39,748.46x = 800,527,360.20
  5. Step 5: Solve for x
    x = 800,527,360.20/39,748.46
  6. Step 6: Final answer
    x = 20,139.84

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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.