Home / 30,859.08-42,585.52-16,711.92

Finding the Fourth Proportional to 30,859.08, 42,585.52 and 16,711.92

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Solution

The fourth proportional to 30,859.08, 42,585.52 and 16,711.92 is: 23,062.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,859.08 : 42,585.52 = 16,711.92 : x
  2. Step 2: Convert to fraction form
    30,859.08/42,585.52 = 16,711.92/x
  3. Step 3: Cross multiply
    30,859.08x = 42,585.52 × 16,711.92
  4. Step 4: Simplify right side
    30,859.08x = 711,685,803.40
  5. Step 5: Solve for x
    x = 711,685,803.40/30,859.08
  6. Step 6: Final answer
    x = 23,062.44

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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.