Home / 54,612.32-75,349.92-30,737.60

Finding the Fourth Proportional to 54,612.32, 75,349.92 and 30,737.60

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Solution

The fourth proportional to 54,612.32, 75,349.92 and 30,737.60 is: 42,409.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,612.32 : 75,349.92 = 30,737.60 : x
  2. Step 2: Convert to fraction form
    54,612.32/75,349.92 = 30,737.60/x
  3. Step 3: Cross multiply
    54,612.32x = 75,349.92 × 30,737.60
  4. Step 4: Simplify right side
    54,612.32x = 2,316,075,700.99
  5. Step 5: Solve for x
    x = 2,316,075,700.99/54,612.32
  6. Step 6: Final answer
    x = 42,409.40

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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.