Home / 37,000.04-51,065.05-20,870.66

Finding the Fourth Proportional to 37,000.04, 51,065.05 and 20,870.66

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Solution

The fourth proportional to 37,000.04, 51,065.05 and 20,870.66 is: 28,804.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,000.04 : 51,065.05 = 20,870.66 : x
  2. Step 2: Convert to fraction form
    37,000.04/51,065.05 = 20,870.66/x
  3. Step 3: Cross multiply
    37,000.04x = 51,065.05 × 20,870.66
  4. Step 4: Simplify right side
    37,000.04x = 1,065,760,936.75
  5. Step 5: Solve for x
    x = 1,065,760,936.75/37,000.04
  6. Step 6: Final answer
    x = 28,804.32

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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.