Home / 55,474.80-76,547.16-31,597.68

Finding the Fourth Proportional to 55,474.80, 76,547.16 and 31,597.68

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Solution

The fourth proportional to 55,474.80, 76,547.16 and 31,597.68 is: 43,600.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,474.80 : 76,547.16 = 31,597.68 : x
  2. Step 2: Convert to fraction form
    55,474.80/76,547.16 = 31,597.68/x
  3. Step 3: Cross multiply
    55,474.80x = 76,547.16 × 31,597.68
  4. Step 4: Simplify right side
    55,474.80x = 2,418,712,666.59
  5. Step 5: Solve for x
    x = 2,418,712,666.59/55,474.80
  6. Step 6: Final answer
    x = 43,600.21

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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.