Home / 30,443.15-42,011.40-17,014.40

Finding the Fourth Proportional to 30,443.15, 42,011.40 and 17,014.40

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Solution

The fourth proportional to 30,443.15, 42,011.40 and 17,014.40 is: 23,479.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,443.15 : 42,011.40 = 17,014.40 : x
  2. Step 2: Convert to fraction form
    30,443.15/42,011.40 = 17,014.40/x
  3. Step 3: Cross multiply
    30,443.15x = 42,011.40 × 17,014.40
  4. Step 4: Simplify right side
    30,443.15x = 714,798,554.10
  5. Step 5: Solve for x
    x = 714,798,554.10/30,443.15
  6. Step 6: Final answer
    x = 23,479.79

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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.