Home / 31,031.90-46,555.13-8,845.59

Finding the Fourth Proportional to 31,031.90, 46,555.13 and 8,845.59

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Solution

The fourth proportional to 31,031.90, 46,555.13 and 8,845.59 is: 13,270.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,031.90 : 46,555.13 = 8,845.59 : x
  2. Step 2: Convert to fraction form
    31,031.90/46,555.13 = 8,845.59/x
  3. Step 3: Cross multiply
    31,031.90x = 46,555.13 × 8,845.59
  4. Step 4: Simplify right side
    31,031.90x = 411,807,614.49
  5. Step 5: Solve for x
    x = 411,807,614.49/31,031.90
  6. Step 6: Final answer
    x = 13,270.46

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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.