Home / 39,526.96-54,567.12-30,554.20

Finding the Fourth Proportional to 39,526.96, 54,567.12 and 30,554.20

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Solution

The fourth proportional to 39,526.96, 54,567.12 and 30,554.20 is: 42,180.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,526.96 : 54,567.12 = 30,554.20 : x
  2. Step 2: Convert to fraction form
    39,526.96/54,567.12 = 30,554.20/x
  3. Step 3: Cross multiply
    39,526.96x = 54,567.12 × 30,554.20
  4. Step 4: Simplify right side
    39,526.96x = 1,667,254,697.90
  5. Step 5: Solve for x
    x = 1,667,254,697.90/39,526.96
  6. Step 6: Final answer
    x = 42,180.19

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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.