Home / 53,328.60-80,003.70-18,271.80

Finding the Fourth Proportional to 53,328.60, 80,003.70 and 18,271.80

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Solution

The fourth proportional to 53,328.60, 80,003.70 and 18,271.80 is: 27,411.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,328.60 : 80,003.70 = 18,271.80 : x
  2. Step 2: Convert to fraction form
    53,328.60/80,003.70 = 18,271.80/x
  3. Step 3: Cross multiply
    53,328.60x = 80,003.70 × 18,271.80
  4. Step 4: Simplify right side
    53,328.60x = 1,461,811,605.66
  5. Step 5: Solve for x
    x = 1,461,811,605.66/53,328.60
  6. Step 6: Final answer
    x = 27,411.40

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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.