Home / 55,348.98-76,378.59-31,472.34

Finding the Fourth Proportional to 55,348.98, 76,378.59 and 31,472.34

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Solution

The fourth proportional to 55,348.98, 76,378.59 and 31,472.34 is: 43,430.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,348.98 : 76,378.59 = 31,472.34 : x
  2. Step 2: Convert to fraction form
    55,348.98/76,378.59 = 31,472.34/x
  3. Step 3: Cross multiply
    55,348.98x = 76,378.59 × 31,472.34
  4. Step 4: Simplify right side
    55,348.98x = 2,403,812,953.20
  5. Step 5: Solve for x
    x = 2,403,812,953.20/55,348.98
  6. Step 6: Final answer
    x = 43,430.12

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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.