Home / 30,914.68-42,659.40-17,487.10

Finding the Fourth Proportional to 30,914.68, 42,659.40 and 17,487.10

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Solution

The fourth proportional to 30,914.68, 42,659.40 and 17,487.10 is: 24,130.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,914.68 : 42,659.40 = 17,487.10 : x
  2. Step 2: Convert to fraction form
    30,914.68/42,659.40 = 17,487.10/x
  3. Step 3: Cross multiply
    30,914.68x = 42,659.40 × 17,487.10
  4. Step 4: Simplify right side
    30,914.68x = 745,989,193.74
  5. Step 5: Solve for x
    x = 745,989,193.74/30,914.68
  6. Step 6: Final answer
    x = 24,130.58

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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.