Home / 39,530.50-59,319.14-14,587.91

Finding the Fourth Proportional to 39,530.50, 59,319.14 and 14,587.91

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Solution

The fourth proportional to 39,530.50, 59,319.14 and 14,587.91 is: 21,890.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,530.50 : 59,319.14 = 14,587.91 : x
  2. Step 2: Convert to fraction form
    39,530.50/59,319.14 = 14,587.91/x
  3. Step 3: Cross multiply
    39,530.50x = 59,319.14 × 14,587.91
  4. Step 4: Simplify right side
    39,530.50x = 865,342,462.18
  5. Step 5: Solve for x
    x = 865,342,462.18/39,530.50
  6. Step 6: Final answer
    x = 21,890.50

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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.