Home / 48,420.06-66,807.90-28,265.46

Finding the Fourth Proportional to 48,420.06, 66,807.90 and 28,265.46

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Solution

The fourth proportional to 48,420.06, 66,807.90 and 28,265.46 is: 38,999.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,420.06 : 66,807.90 = 28,265.46 : x
  2. Step 2: Convert to fraction form
    48,420.06/66,807.90 = 28,265.46/x
  3. Step 3: Cross multiply
    48,420.06x = 66,807.90 × 28,265.46
  4. Step 4: Simplify right side
    48,420.06x = 1,888,356,025.13
  5. Step 5: Solve for x
    x = 1,888,356,025.13/48,420.06
  6. Step 6: Final answer
    x = 38,999.46

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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.