Home / 30,112.57-45,184.27-14,335.45

Finding the Fourth Proportional to 30,112.57, 45,184.27 and 14,335.45

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Solution

The fourth proportional to 30,112.57, 45,184.27 and 14,335.45 is: 21,510.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,112.57 : 45,184.27 = 14,335.45 : x
  2. Step 2: Convert to fraction form
    30,112.57/45,184.27 = 14,335.45/x
  3. Step 3: Cross multiply
    30,112.57x = 45,184.27 × 14,335.45
  4. Step 4: Simplify right side
    30,112.57x = 647,736,581.61
  5. Step 5: Solve for x
    x = 647,736,581.61/30,112.57
  6. Step 6: Final answer
    x = 21,510.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.