Home / 30,977.17-42,750.61-17,548.53

Finding the Fourth Proportional to 30,977.17, 42,750.61 and 17,548.53

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Solution

The fourth proportional to 30,977.17, 42,750.61 and 17,548.53 is: 24,218.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,977.17 : 42,750.61 = 17,548.53 : x
  2. Step 2: Convert to fraction form
    30,977.17/42,750.61 = 17,548.53/x
  3. Step 3: Cross multiply
    30,977.17x = 42,750.61 × 17,548.53
  4. Step 4: Simplify right side
    30,977.17x = 750,210,318.23
  5. Step 5: Solve for x
    x = 750,210,318.23/30,977.17
  6. Step 6: Final answer
    x = 24,218.17

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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.