Home / 31,430.04-43,373.64-17,283.80

Finding the Fourth Proportional to 31,430.04, 43,373.64 and 17,283.80

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Solution

The fourth proportional to 31,430.04, 43,373.64 and 17,283.80 is: 23,851.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,430.04 : 43,373.64 = 17,283.80 : x
  2. Step 2: Convert to fraction form
    31,430.04/43,373.64 = 17,283.80/x
  3. Step 3: Cross multiply
    31,430.04x = 43,373.64 × 17,283.80
  4. Step 4: Simplify right side
    31,430.04x = 749,661,319.03
  5. Step 5: Solve for x
    x = 749,661,319.03/31,430.04
  6. Step 6: Final answer
    x = 23,851.75

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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.