Home / 48,445.92-66,828.02-30,510.09

Finding the Fourth Proportional to 48,445.92, 66,828.02 and 30,510.09

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Solution

The fourth proportional to 48,445.92, 66,828.02 and 30,510.09 is: 42,086.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,445.92 : 66,828.02 = 30,510.09 : x
  2. Step 2: Convert to fraction form
    48,445.92/66,828.02 = 30,510.09/x
  3. Step 3: Cross multiply
    48,445.92x = 66,828.02 × 30,510.09
  4. Step 4: Simplify right side
    48,445.92x = 2,038,928,752.17
  5. Step 5: Solve for x
    x = 2,038,928,752.17/48,445.92
  6. Step 6: Final answer
    x = 42,086.70

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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.