Home / 51,521.18-77,167.59-39,587.12

Finding the Fourth Proportional to 51,521.18, 77,167.59 and 39,587.12

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Solution

The fourth proportional to 51,521.18, 77,167.59 and 39,587.12 is: 59,292.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,521.18 : 77,167.59 = 39,587.12 : x
  2. Step 2: Convert to fraction form
    51,521.18/77,167.59 = 39,587.12/x
  3. Step 3: Cross multiply
    51,521.18x = 77,167.59 × 39,587.12
  4. Step 4: Simplify right side
    51,521.18x = 3,054,842,259.60
  5. Step 5: Solve for x
    x = 3,054,842,259.60/51,521.18
  6. Step 6: Final answer
    x = 59,292.95

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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.