Home / 53,931.90-80,880.25-17,898.68

Finding the Fourth Proportional to 53,931.90, 80,880.25 and 17,898.68

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Solution

The fourth proportional to 53,931.90, 80,880.25 and 17,898.68 is: 26,842.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,931.90 : 80,880.25 = 17,898.68 : x
  2. Step 2: Convert to fraction form
    53,931.90/80,880.25 = 17,898.68/x
  3. Step 3: Cross multiply
    53,931.90x = 80,880.25 × 17,898.68
  4. Step 4: Simplify right side
    53,931.90x = 1,447,649,567.22
  5. Step 5: Solve for x
    x = 1,447,649,567.22/53,931.90
  6. Step 6: Final answer
    x = 26,842.17

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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.