Home / 30,757.08-42,444.90-17,328.50

Finding the Fourth Proportional to 30,757.08, 42,444.90 and 17,328.50

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Solution

The fourth proportional to 30,757.08, 42,444.90 and 17,328.50 is: 23,913.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,757.08 : 42,444.90 = 17,328.50 : x
  2. Step 2: Convert to fraction form
    30,757.08/42,444.90 = 17,328.50/x
  3. Step 3: Cross multiply
    30,757.08x = 42,444.90 × 17,328.50
  4. Step 4: Simplify right side
    30,757.08x = 735,506,237.43
  5. Step 5: Solve for x
    x = 735,506,237.43/30,757.08
  6. Step 6: Final answer
    x = 23,913.40

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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.