Home / 30,737.64-42,416.80-17,125.36

Finding the Fourth Proportional to 30,737.64, 42,416.80 and 17,125.36

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Solution

The fourth proportional to 30,737.64, 42,416.80 and 17,125.36 is: 23,632.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,737.64 : 42,416.80 = 17,125.36 : x
  2. Step 2: Convert to fraction form
    30,737.64/42,416.80 = 17,125.36/x
  3. Step 3: Cross multiply
    30,737.64x = 42,416.80 × 17,125.36
  4. Step 4: Simplify right side
    30,737.64x = 726,402,970.05
  5. Step 5: Solve for x
    x = 726,402,970.05/30,737.64
  6. Step 6: Final answer
    x = 23,632.36

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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.