Home / 30,859.16-42,585.58-16,711.96

Finding the Fourth Proportional to 30,859.16, 42,585.58 and 16,711.96

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Solution

The fourth proportional to 30,859.16, 42,585.58 and 16,711.96 is: 23,062.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,859.16 : 42,585.58 = 16,711.96 : x
  2. Step 2: Convert to fraction form
    30,859.16/42,585.58 = 16,711.96/x
  3. Step 3: Cross multiply
    30,859.16x = 42,585.58 × 16,711.96
  4. Step 4: Simplify right side
    30,859.16x = 711,688,509.54
  5. Step 5: Solve for x
    x = 711,688,509.54/30,859.16
  6. Step 6: Final answer
    x = 23,062.47

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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.