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Finding the Fourth Proportional to 57,960.71, 79,988.79 and 32,465.59

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Solution

The fourth proportional to 57,960.71, 79,988.79 and 32,465.59 is: 44,804.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,960.71 : 79,988.79 = 32,465.59 : x
  2. Step 2: Convert to fraction form
    57,960.71/79,988.79 = 32,465.59/x
  3. Step 3: Cross multiply
    57,960.71x = 79,988.79 × 32,465.59
  4. Step 4: Simplify right side
    57,960.71x = 2,596,883,060.76
  5. Step 5: Solve for x
    x = 2,596,883,060.76/57,960.71
  6. Step 6: Final answer
    x = 44,804.19

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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.