Home / 54,041.56-74,564.20-31,681.24

Finding the Fourth Proportional to 54,041.56, 74,564.20 and 31,681.24

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Solution

The fourth proportional to 54,041.56, 74,564.20 and 31,681.24 is: 43,712.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,041.56 : 74,564.20 = 31,681.24 : x
  2. Step 2: Convert to fraction form
    54,041.56/74,564.20 = 31,681.24/x
  3. Step 3: Cross multiply
    54,041.56x = 74,564.20 × 31,681.24
  4. Step 4: Simplify right side
    54,041.56x = 2,362,286,315.61
  5. Step 5: Solve for x
    x = 2,362,286,315.61/54,041.56
  6. Step 6: Final answer
    x = 43,712.40

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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.