Home / 58,146.12-87,210.94-18,698.20

Finding the Fourth Proportional to 58,146.12, 87,210.94 and 18,698.20

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Solution

The fourth proportional to 58,146.12, 87,210.94 and 18,698.20 is: 28,044.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,146.12 : 87,210.94 = 18,698.20 : x
  2. Step 2: Convert to fraction form
    58,146.12/87,210.94 = 18,698.20/x
  3. Step 3: Cross multiply
    58,146.12x = 87,210.94 × 18,698.20
  4. Step 4: Simplify right side
    58,146.12x = 1,630,687,598.31
  5. Step 5: Solve for x
    x = 1,630,687,598.31/58,146.12
  6. Step 6: Final answer
    x = 28,044.65

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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.