Home / 53,017.17-79,512.63-31,675.71

Finding the Fourth Proportional to 53,017.17, 79,512.63 and 31,675.71

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Solution

The fourth proportional to 53,017.17, 79,512.63 and 31,675.71 is: 47,505.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,017.17 : 79,512.63 = 31,675.71 : x
  2. Step 2: Convert to fraction form
    53,017.17/79,512.63 = 31,675.71/x
  3. Step 3: Cross multiply
    53,017.17x = 79,512.63 × 31,675.71
  4. Step 4: Simplify right side
    53,017.17x = 2,518,619,009.22
  5. Step 5: Solve for x
    x = 2,518,619,009.22/53,017.17
  6. Step 6: Final answer
    x = 47,505.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.