Home / 39,510.86-59,188.13-20,762.87

Finding the Fourth Proportional to 39,510.86, 59,188.13 and 20,762.87

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Solution

The fourth proportional to 39,510.86, 59,188.13 and 20,762.87 is: 31,103.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,510.86 : 59,188.13 = 20,762.87 : x
  2. Step 2: Convert to fraction form
    39,510.86/59,188.13 = 20,762.87/x
  3. Step 3: Cross multiply
    39,510.86x = 59,188.13 × 20,762.87
  4. Step 4: Simplify right side
    39,510.86x = 1,228,915,344.92
  5. Step 5: Solve for x
    x = 1,228,915,344.92/39,510.86
  6. Step 6: Final answer
    x = 31,103.23

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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.