Home / 32,708.17-49,070.43-12,980.20

Finding the Fourth Proportional to 32,708.17, 49,070.43 and 12,980.20

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Solution

The fourth proportional to 32,708.17, 49,070.43 and 12,980.20 is: 19,473.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,708.17 : 49,070.43 = 12,980.20 : x
  2. Step 2: Convert to fraction form
    32,708.17/49,070.43 = 12,980.20/x
  3. Step 3: Cross multiply
    32,708.17x = 49,070.43 × 12,980.20
  4. Step 4: Simplify right side
    32,708.17x = 636,943,995.49
  5. Step 5: Solve for x
    x = 636,943,995.49/32,708.17
  6. Step 6: Final answer
    x = 19,473.54

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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.