Home / 45,271.68-67,884.72-15,681.58

Finding the Fourth Proportional to 45,271.68, 67,884.72 and 15,681.58

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Solution

The fourth proportional to 45,271.68, 67,884.72 and 15,681.58 is: 23,514.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,271.68 : 67,884.72 = 15,681.58 : x
  2. Step 2: Convert to fraction form
    45,271.68/67,884.72 = 15,681.58/x
  3. Step 3: Cross multiply
    45,271.68x = 67,884.72 × 15,681.58
  4. Step 4: Simplify right side
    45,271.68x = 1,064,539,667.46
  5. Step 5: Solve for x
    x = 1,064,539,667.46/45,271.68
  6. Step 6: Final answer
    x = 23,514.47

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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.