Home / 53,312.20-79,946.70-18,233.80

Finding the Fourth Proportional to 53,312.20, 79,946.70 and 18,233.80

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Solution

The fourth proportional to 53,312.20, 79,946.70 and 18,233.80 is: 27,343.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,312.20 : 79,946.70 = 18,233.80 : x
  2. Step 2: Convert to fraction form
    53,312.20/79,946.70 = 18,233.80/x
  3. Step 3: Cross multiply
    53,312.20x = 79,946.70 × 18,233.80
  4. Step 4: Simplify right side
    53,312.20x = 1,457,732,138.46
  5. Step 5: Solve for x
    x = 1,457,732,138.46/53,312.20
  6. Step 6: Final answer
    x = 27,343.31

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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.