Home / 48,312.42-66,680.70-28,172.52

Finding the Fourth Proportional to 48,312.42, 66,680.70 and 28,172.52

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Solution

The fourth proportional to 48,312.42, 66,680.70 and 28,172.52 is: 38,883.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,312.42 : 66,680.70 = 28,172.52 : x
  2. Step 2: Convert to fraction form
    48,312.42/66,680.70 = 28,172.52/x
  3. Step 3: Cross multiply
    48,312.42x = 66,680.70 × 28,172.52
  4. Step 4: Simplify right side
    48,312.42x = 1,878,563,354.36
  5. Step 5: Solve for x
    x = 1,878,563,354.36/48,312.42
  6. Step 6: Final answer
    x = 38,883.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.