Home / 30,184.71-45,266.80-10,458.66

Finding the Fourth Proportional to 30,184.71, 45,266.80 and 10,458.66

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Solution

The fourth proportional to 30,184.71, 45,266.80 and 10,458.66 is: 15,684.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,184.71 : 45,266.80 = 10,458.66 : x
  2. Step 2: Convert to fraction form
    30,184.71/45,266.80 = 10,458.66/x
  3. Step 3: Cross multiply
    30,184.71x = 45,266.80 × 10,458.66
  4. Step 4: Simplify right side
    30,184.71x = 473,430,070.49
  5. Step 5: Solve for x
    x = 473,430,070.49/30,184.71
  6. Step 6: Final answer
    x = 15,684.43

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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.