Home / 59,421.75-89,071.20-19,965.57

Finding the Fourth Proportional to 59,421.75, 89,071.20 and 19,965.57

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Solution

The fourth proportional to 59,421.75, 89,071.20 and 19,965.57 is: 29,927.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,421.75 : 89,071.20 = 19,965.57 : x
  2. Step 2: Convert to fraction form
    59,421.75/89,071.20 = 19,965.57/x
  3. Step 3: Cross multiply
    59,421.75x = 89,071.20 × 19,965.57
  4. Step 4: Simplify right side
    59,421.75x = 1,778,357,278.58
  5. Step 5: Solve for x
    x = 1,778,357,278.58/59,421.75
  6. Step 6: Final answer
    x = 29,927.72

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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.