Home / 30,816.13-42,526.08-17,387.04

Finding the Fourth Proportional to 30,816.13, 42,526.08 and 17,387.04

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Solution

The fourth proportional to 30,816.13, 42,526.08 and 17,387.04 is: 23,994.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,816.13 : 42,526.08 = 17,387.04 : x
  2. Step 2: Convert to fraction form
    30,816.13/42,526.08 = 17,387.04/x
  3. Step 3: Cross multiply
    30,816.13x = 42,526.08 × 17,387.04
  4. Step 4: Simplify right side
    30,816.13x = 739,402,654.00
  5. Step 5: Solve for x
    x = 739,402,654.00/30,816.13
  6. Step 6: Final answer
    x = 23,994.01

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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.