Home / 58,588.16-80,851.70-31,730.72

Finding the Fourth Proportional to 58,588.16, 80,851.70 and 31,730.72

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Solution

The fourth proportional to 58,588.16, 80,851.70 and 31,730.72 is: 43,788.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,588.16 : 80,851.70 = 31,730.72 : x
  2. Step 2: Convert to fraction form
    58,588.16/80,851.70 = 31,730.72/x
  3. Step 3: Cross multiply
    58,588.16x = 80,851.70 × 31,730.72
  4. Step 4: Simplify right side
    58,588.16x = 2,565,482,329.29
  5. Step 5: Solve for x
    x = 2,565,482,329.29/58,588.16
  6. Step 6: Final answer
    x = 43,788.41

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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.