Home / 48,020.40-72,030.60-36,356.40

Finding the Fourth Proportional to 48,020.40, 72,030.60 and 36,356.40

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Solution

The fourth proportional to 48,020.40, 72,030.60 and 36,356.40 is: 54,534.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,020.40 : 72,030.60 = 36,356.40 : x
  2. Step 2: Convert to fraction form
    48,020.40/72,030.60 = 36,356.40/x
  3. Step 3: Cross multiply
    48,020.40x = 72,030.60 × 36,356.40
  4. Step 4: Simplify right side
    48,020.40x = 2,618,773,305.84
  5. Step 5: Solve for x
    x = 2,618,773,305.84/48,020.40
  6. Step 6: Final answer
    x = 54,534.60

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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.