Home / 37,807.04-52,175.76-21,040.40

Finding the Fourth Proportional to 37,807.04, 52,175.76 and 21,040.40

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Solution

The fourth proportional to 37,807.04, 52,175.76 and 21,040.40 is: 29,036.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,807.04 : 52,175.76 = 21,040.40 : x
  2. Step 2: Convert to fraction form
    37,807.04/52,175.76 = 21,040.40/x
  3. Step 3: Cross multiply
    37,807.04x = 52,175.76 × 21,040.40
  4. Step 4: Simplify right side
    37,807.04x = 1,097,798,860.70
  5. Step 5: Solve for x
    x = 1,097,798,860.70/37,807.04
  6. Step 6: Final answer
    x = 29,036.89

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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.