Home / 30,458.28-42,024.24-18,527.52

Finding the Fourth Proportional to 30,458.28, 42,024.24 and 18,527.52

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Solution

The fourth proportional to 30,458.28, 42,024.24 and 18,527.52 is: 25,563.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,458.28 : 42,024.24 = 18,527.52 : x
  2. Step 2: Convert to fraction form
    30,458.28/42,024.24 = 18,527.52/x
  3. Step 3: Cross multiply
    30,458.28x = 42,024.24 × 18,527.52
  4. Step 4: Simplify right side
    30,458.28x = 778,604,947.08
  5. Step 5: Solve for x
    x = 778,604,947.08/30,458.28
  6. Step 6: Final answer
    x = 25,563.00

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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.