Home / 52,001.58-78,000.48-18,714.18

Finding the Fourth Proportional to 52,001.58, 78,000.48 and 18,714.18

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Solution

The fourth proportional to 52,001.58, 78,000.48 and 18,714.18 is: 28,070.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,001.58 : 78,000.48 = 18,714.18 : x
  2. Step 2: Convert to fraction form
    52,001.58/78,000.48 = 18,714.18/x
  3. Step 3: Cross multiply
    52,001.58x = 78,000.48 × 18,714.18
  4. Step 4: Simplify right side
    52,001.58x = 1,459,715,022.81
  5. Step 5: Solve for x
    x = 1,459,715,022.81/52,001.58
  6. Step 6: Final answer
    x = 28,070.59

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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.