Home / 27,030.19-40,545.27-19,681.41

Finding the Fourth Proportional to 27,030.19, 40,545.27 and 19,681.41

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Solution

The fourth proportional to 27,030.19, 40,545.27 and 19,681.41 is: 29,522.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,030.19 : 40,545.27 = 19,681.41 : x
  2. Step 2: Convert to fraction form
    27,030.19/40,545.27 = 19,681.41/x
  3. Step 3: Cross multiply
    27,030.19x = 40,545.27 × 19,681.41
  4. Step 4: Simplify right side
    27,030.19x = 797,988,082.43
  5. Step 5: Solve for x
    x = 797,988,082.43/27,030.19
  6. Step 6: Final answer
    x = 29,522.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.