Home / 52,509.12-78,763.96-13,066.24

Finding the Fourth Proportional to 52,509.12, 78,763.96 and 13,066.24

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Solution

The fourth proportional to 52,509.12, 78,763.96 and 13,066.24 is: 19,599.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,509.12 : 78,763.96 = 13,066.24 : x
  2. Step 2: Convert to fraction form
    52,509.12/78,763.96 = 13,066.24/x
  3. Step 3: Cross multiply
    52,509.12x = 78,763.96 × 13,066.24
  4. Step 4: Simplify right side
    52,509.12x = 1,029,148,804.71
  5. Step 5: Solve for x
    x = 1,029,148,804.71/52,509.12
  6. Step 6: Final answer
    x = 19,599.43

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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.