Home / 52,511.15-78,766.56-13,068.28

Finding the Fourth Proportional to 52,511.15, 78,766.56 and 13,068.28

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Solution

The fourth proportional to 52,511.15, 78,766.56 and 13,068.28 is: 19,602.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,511.15 : 78,766.56 = 13,068.28 : x
  2. Step 2: Convert to fraction form
    52,511.15/78,766.56 = 13,068.28/x
  3. Step 3: Cross multiply
    52,511.15x = 78,766.56 × 13,068.28
  4. Step 4: Simplify right side
    52,511.15x = 1,029,343,460.72
  5. Step 5: Solve for x
    x = 1,029,343,460.72/52,511.15
  6. Step 6: Final answer
    x = 19,602.38

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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.