Home / 55,377.14-76,420.02-31,503.80

Finding the Fourth Proportional to 55,377.14, 76,420.02 and 31,503.80

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Solution

The fourth proportional to 55,377.14, 76,420.02 and 31,503.80 is: 43,475.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,377.14 : 76,420.02 = 31,503.80 : x
  2. Step 2: Convert to fraction form
    55,377.14/76,420.02 = 31,503.80/x
  3. Step 3: Cross multiply
    55,377.14x = 76,420.02 × 31,503.80
  4. Step 4: Simplify right side
    55,377.14x = 2,407,521,026.08
  5. Step 5: Solve for x
    x = 2,407,521,026.08/55,377.14
  6. Step 6: Final answer
    x = 43,475.00

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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.