Home / 34,031.76-46,963.98-19,881.60

Finding the Fourth Proportional to 34,031.76, 46,963.98 and 19,881.60

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Solution

The fourth proportional to 34,031.76, 46,963.98 and 19,881.60 is: 27,436.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,031.76 : 46,963.98 = 19,881.60 : x
  2. Step 2: Convert to fraction form
    34,031.76/46,963.98 = 19,881.60/x
  3. Step 3: Cross multiply
    34,031.76x = 46,963.98 × 19,881.60
  4. Step 4: Simplify right side
    34,031.76x = 933,719,064.77
  5. Step 5: Solve for x
    x = 933,719,064.77/34,031.76
  6. Step 6: Final answer
    x = 27,436.70

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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.