Home / 53,018.69-79,539.75-17,478.59

Finding the Fourth Proportional to 53,018.69, 79,539.75 and 17,478.59

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Solution

The fourth proportional to 53,018.69, 79,539.75 and 17,478.59 is: 26,221.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,018.69 : 79,539.75 = 17,478.59 : x
  2. Step 2: Convert to fraction form
    53,018.69/79,539.75 = 17,478.59/x
  3. Step 3: Cross multiply
    53,018.69x = 79,539.75 × 17,478.59
  4. Step 4: Simplify right side
    53,018.69x = 1,390,242,281.25
  5. Step 5: Solve for x
    x = 1,390,242,281.25/53,018.69
  6. Step 6: Final answer
    x = 26,221.74

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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.