Home / 51,010.48-70,377.06-31,877.20

Finding the Fourth Proportional to 51,010.48, 70,377.06 and 31,877.20

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Solution

The fourth proportional to 51,010.48, 70,377.06 and 31,877.20 is: 43,979.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,010.48 : 70,377.06 = 31,877.20 : x
  2. Step 2: Convert to fraction form
    51,010.48/70,377.06 = 31,877.20/x
  3. Step 3: Cross multiply
    51,010.48x = 70,377.06 × 31,877.20
  4. Step 4: Simplify right side
    51,010.48x = 2,243,423,617.03
  5. Step 5: Solve for x
    x = 2,243,423,617.03/51,010.48
  6. Step 6: Final answer
    x = 43,979.66

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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.