Home / 54,316.19-74,952.18-30,438.24

Finding the Fourth Proportional to 54,316.19, 74,952.18 and 30,438.24

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Solution

The fourth proportional to 54,316.19, 74,952.18 and 30,438.24 is: 42,002.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,316.19 : 74,952.18 = 30,438.24 : x
  2. Step 2: Convert to fraction form
    54,316.19/74,952.18 = 30,438.24/x
  3. Step 3: Cross multiply
    54,316.19x = 74,952.18 × 30,438.24
  4. Step 4: Simplify right side
    54,316.19x = 2,281,412,443.36
  5. Step 5: Solve for x
    x = 2,281,412,443.36/54,316.19
  6. Step 6: Final answer
    x = 42,002.44

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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.