Home / 53,409.18-80,043.69-39,303.18

Finding the Fourth Proportional to 53,409.18, 80,043.69 and 39,303.18

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Solution

The fourth proportional to 53,409.18, 80,043.69 and 39,303.18 is: 58,903.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,409.18 : 80,043.69 = 39,303.18 : x
  2. Step 2: Convert to fraction form
    53,409.18/80,043.69 = 39,303.18/x
  3. Step 3: Cross multiply
    53,409.18x = 80,043.69 × 39,303.18
  4. Step 4: Simplify right side
    53,409.18x = 3,145,971,555.93
  5. Step 5: Solve for x
    x = 3,145,971,555.93/53,409.18
  6. Step 6: Final answer
    x = 58,903.20

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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.