Home / 51,332.68-70,837.65-28,671

Finding the Fourth Proportional to 51,332.68, 70,837.65 and 28,671

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Solution

The fourth proportional to 51,332.68, 70,837.65 and 28,671 is: 39,565.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,332.68 : 70,837.65 = 28,671 : x
  2. Step 2: Convert to fraction form
    51,332.68/70,837.65 = 28,671/x
  3. Step 3: Cross multiply
    51,332.68x = 70,837.65 × 28,671
  4. Step 4: Simplify right side
    51,332.68x = 2,030,986,263.15
  5. Step 5: Solve for x
    x = 2,030,986,263.15/51,332.68
  6. Step 6: Final answer
    x = 39,565.17

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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.