Home / 58,612.20-87,918.30-19,159.80

Finding the Fourth Proportional to 58,612.20, 87,918.30 and 19,159.80

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Solution

The fourth proportional to 58,612.20, 87,918.30 and 19,159.80 is: 28,739.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,612.20 : 87,918.30 = 19,159.80 : x
  2. Step 2: Convert to fraction form
    58,612.20/87,918.30 = 19,159.80/x
  3. Step 3: Cross multiply
    58,612.20x = 87,918.30 × 19,159.80
  4. Step 4: Simplify right side
    58,612.20x = 1,684,497,044.34
  5. Step 5: Solve for x
    x = 1,684,497,044.34/58,612.20
  6. Step 6: Final answer
    x = 28,739.70

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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.