Home / 39,421.92-59,095.28-13,108.24

Finding the Fourth Proportional to 39,421.92, 59,095.28 and 13,108.24

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Solution

The fourth proportional to 39,421.92, 59,095.28 and 13,108.24 is: 19,649.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,421.92 : 59,095.28 = 13,108.24 : x
  2. Step 2: Convert to fraction form
    39,421.92/59,095.28 = 13,108.24/x
  3. Step 3: Cross multiply
    39,421.92x = 59,095.28 × 13,108.24
  4. Step 4: Simplify right side
    39,421.92x = 774,635,113.11
  5. Step 5: Solve for x
    x = 774,635,113.11/39,421.92
  6. Step 6: Final answer
    x = 19,649.86

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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.