Home / 37,681.28-52,001.52-20,686.04

Finding the Fourth Proportional to 37,681.28, 52,001.52 and 20,686.04

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Solution

The fourth proportional to 37,681.28, 52,001.52 and 20,686.04 is: 28,547.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,681.28 : 52,001.52 = 20,686.04 : x
  2. Step 2: Convert to fraction form
    37,681.28/52,001.52 = 20,686.04/x
  3. Step 3: Cross multiply
    37,681.28x = 52,001.52 × 20,686.04
  4. Step 4: Simplify right side
    37,681.28x = 1,075,705,522.78
  5. Step 5: Solve for x
    x = 1,075,705,522.78/37,681.28
  6. Step 6: Final answer
    x = 28,547.48

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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.