Home / 39,384.32-59,088.21-18,336.80

Finding the Fourth Proportional to 39,384.32, 59,088.21 and 18,336.80

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Solution

The fourth proportional to 39,384.32, 59,088.21 and 18,336.80 is: 27,510.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,384.32 : 59,088.21 = 18,336.80 : x
  2. Step 2: Convert to fraction form
    39,384.32/59,088.21 = 18,336.80/x
  3. Step 3: Cross multiply
    39,384.32x = 59,088.21 × 18,336.80
  4. Step 4: Simplify right side
    39,384.32x = 1,083,488,393.69
  5. Step 5: Solve for x
    x = 1,083,488,393.69/39,384.32
  6. Step 6: Final answer
    x = 27,510.66

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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.