Home / 31,075.60-46,613.40-8,890.30

Finding the Fourth Proportional to 31,075.60, 46,613.40 and 8,890.30

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Solution

The fourth proportional to 31,075.60, 46,613.40 and 8,890.30 is: 13,335.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,075.60 : 46,613.40 = 8,890.30 : x
  2. Step 2: Convert to fraction form
    31,075.60/46,613.40 = 8,890.30/x
  3. Step 3: Cross multiply
    31,075.60x = 46,613.40 × 8,890.30
  4. Step 4: Simplify right side
    31,075.60x = 414,407,110.02
  5. Step 5: Solve for x
    x = 414,407,110.02/31,075.60
  6. Step 6: Final answer
    x = 13,335.45

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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.