Home / 39,098.40-53,892.88-30,586.08

Finding the Fourth Proportional to 39,098.40, 53,892.88 and 30,586.08

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Solution

The fourth proportional to 39,098.40, 53,892.88 and 30,586.08 is: 42,159.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,098.40 : 53,892.88 = 30,586.08 : x
  2. Step 2: Convert to fraction form
    39,098.40/53,892.88 = 30,586.08/x
  3. Step 3: Cross multiply
    39,098.40x = 53,892.88 × 30,586.08
  4. Step 4: Simplify right side
    39,098.40x = 1,648,371,939.11
  5. Step 5: Solve for x
    x = 1,648,371,939.11/39,098.40
  6. Step 6: Final answer
    x = 42,159.58

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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.