Home / 53,862.64-80,830.86-18,802.30

Finding the Fourth Proportional to 53,862.64, 80,830.86 and 18,802.30

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Solution

The fourth proportional to 53,862.64, 80,830.86 and 18,802.30 is: 28,216.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,862.64 : 80,830.86 = 18,802.30 : x
  2. Step 2: Convert to fraction form
    53,862.64/80,830.86 = 18,802.30/x
  3. Step 3: Cross multiply
    53,862.64x = 80,830.86 × 18,802.30
  4. Step 4: Simplify right side
    53,862.64x = 1,519,805,580.81
  5. Step 5: Solve for x
    x = 1,519,805,580.81/53,862.64
  6. Step 6: Final answer
    x = 28,216.32

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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.