Home / 53,261.04-79,866.84-31,080.80

Finding the Fourth Proportional to 53,261.04, 79,866.84 and 31,080.80

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Solution

The fourth proportional to 53,261.04, 79,866.84 and 31,080.80 is: 46,606.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,261.04 : 79,866.84 = 31,080.80 : x
  2. Step 2: Convert to fraction form
    53,261.04/79,866.84 = 31,080.80/x
  3. Step 3: Cross multiply
    53,261.04x = 79,866.84 × 31,080.80
  4. Step 4: Simplify right side
    53,261.04x = 2,482,325,280.67
  5. Step 5: Solve for x
    x = 2,482,325,280.67/53,261.04
  6. Step 6: Final answer
    x = 46,606.77

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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.