Home / 53,012.57-79,518.80-13,569.62

Finding the Fourth Proportional to 53,012.57, 79,518.80 and 13,569.62

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Solution

The fourth proportional to 53,012.57, 79,518.80 and 13,569.62 is: 20,354.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,012.57 : 79,518.80 = 13,569.62 : x
  2. Step 2: Convert to fraction form
    53,012.57/79,518.80 = 13,569.62/x
  3. Step 3: Cross multiply
    53,012.57x = 79,518.80 × 13,569.62
  4. Step 4: Simplify right side
    53,012.57x = 1,079,039,501.26
  5. Step 5: Solve for x
    x = 1,079,039,501.26/53,012.57
  6. Step 6: Final answer
    x = 20,354.41

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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.