Home / 45,240.48-62,444.64-31,814.88

Finding the Fourth Proportional to 45,240.48, 62,444.64 and 31,814.88

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Solution

The fourth proportional to 45,240.48, 62,444.64 and 31,814.88 is: 43,913.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,240.48 : 62,444.64 = 31,814.88 : x
  2. Step 2: Convert to fraction form
    45,240.48/62,444.64 = 31,814.88/x
  3. Step 3: Cross multiply
    45,240.48x = 62,444.64 × 31,814.88
  4. Step 4: Simplify right side
    45,240.48x = 1,986,668,728.24
  5. Step 5: Solve for x
    x = 1,986,668,728.24/45,240.48
  6. Step 6: Final answer
    x = 43,913.52

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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.