Home / 65,730.93-90,727.26-38,882.77

Finding the Fourth Proportional to 65,730.93, 90,727.26 and 38,882.77

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Solution

The fourth proportional to 65,730.93, 90,727.26 and 38,882.77 is: 53,669.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,730.93 : 90,727.26 = 38,882.77 : x
  2. Step 2: Convert to fraction form
    65,730.93/90,727.26 = 38,882.77/x
  3. Step 3: Cross multiply
    65,730.93x = 90,727.26 × 38,882.77
  4. Step 4: Simplify right side
    65,730.93x = 3,527,727,280.52
  5. Step 5: Solve for x
    x = 3,527,727,280.52/65,730.93
  6. Step 6: Final answer
    x = 53,669.22

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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.