Home / 48,036.72-66,275.64-31,050.30

Finding the Fourth Proportional to 48,036.72, 66,275.64 and 31,050.30

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Solution

The fourth proportional to 48,036.72, 66,275.64 and 31,050.30 is: 42,839.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,036.72 : 66,275.64 = 31,050.30 : x
  2. Step 2: Convert to fraction form
    48,036.72/66,275.64 = 31,050.30/x
  3. Step 3: Cross multiply
    48,036.72x = 66,275.64 × 31,050.30
  4. Step 4: Simplify right side
    48,036.72x = 2,057,878,504.69
  5. Step 5: Solve for x
    x = 2,057,878,504.69/48,036.72
  6. Step 6: Final answer
    x = 42,839.70

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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.