Home / 39,369.18-59,071.19-20,644.82

Finding the Fourth Proportional to 39,369.18, 59,071.19 and 20,644.82

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Solution

The fourth proportional to 39,369.18, 59,071.19 and 20,644.82 is: 30,976.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,369.18 : 59,071.19 = 20,644.82 : x
  2. Step 2: Convert to fraction form
    39,369.18/59,071.19 = 20,644.82/x
  3. Step 3: Cross multiply
    39,369.18x = 59,071.19 × 20,644.82
  4. Step 4: Simplify right side
    39,369.18x = 1,219,513,686.16
  5. Step 5: Solve for x
    x = 1,219,513,686.16/39,369.18
  6. Step 6: Final answer
    x = 30,976.35

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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.