Home / 38,876.85-58,316.94-13,578.93

Finding the Fourth Proportional to 38,876.85, 58,316.94 and 13,578.93

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Solution

The fourth proportional to 38,876.85, 58,316.94 and 13,578.93 is: 20,368.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,876.85 : 58,316.94 = 13,578.93 : x
  2. Step 2: Convert to fraction form
    38,876.85/58,316.94 = 13,578.93/x
  3. Step 3: Cross multiply
    38,876.85x = 58,316.94 × 13,578.93
  4. Step 4: Simplify right side
    38,876.85x = 791,881,646.07
  5. Step 5: Solve for x
    x = 791,881,646.07/38,876.85
  6. Step 6: Final answer
    x = 20,368.98

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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.