Home / 37,312.77-51,490.35-20,316.72

Finding the Fourth Proportional to 37,312.77, 51,490.35 and 20,316.72

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Solution

The fourth proportional to 37,312.77, 51,490.35 and 20,316.72 is: 28,036.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,312.77 : 51,490.35 = 20,316.72 : x
  2. Step 2: Convert to fraction form
    37,312.77/51,490.35 = 20,316.72/x
  3. Step 3: Cross multiply
    37,312.77x = 51,490.35 × 20,316.72
  4. Step 4: Simplify right side
    37,312.77x = 1,046,115,023.65
  5. Step 5: Solve for x
    x = 1,046,115,023.65/37,312.77
  6. Step 6: Final answer
    x = 28,036.38

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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.