Home / 53,007.28-79,511.02-13,026.29

Finding the Fourth Proportional to 53,007.28, 79,511.02 and 13,026.29

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Solution

The fourth proportional to 53,007.28, 79,511.02 and 13,026.29 is: 19,539.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,007.28 : 79,511.02 = 13,026.29 : x
  2. Step 2: Convert to fraction form
    53,007.28/79,511.02 = 13,026.29/x
  3. Step 3: Cross multiply
    53,007.28x = 79,511.02 × 13,026.29
  4. Step 4: Simplify right side
    53,007.28x = 1,035,733,174.59
  5. Step 5: Solve for x
    x = 1,035,733,174.59/53,007.28
  6. Step 6: Final answer
    x = 19,539.45

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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.