Home / 51,008.65-76,518.80-13,570.25

Finding the Fourth Proportional to 51,008.65, 76,518.80 and 13,570.25

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Solution

The fourth proportional to 51,008.65, 76,518.80 and 13,570.25 is: 20,356.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,008.65 : 76,518.80 = 13,570.25 : x
  2. Step 2: Convert to fraction form
    51,008.65/76,518.80 = 13,570.25/x
  3. Step 3: Cross multiply
    51,008.65x = 76,518.80 × 13,570.25
  4. Step 4: Simplify right side
    51,008.65x = 1,038,379,133.09
  5. Step 5: Solve for x
    x = 1,038,379,133.09/51,008.65
  6. Step 6: Final answer
    x = 20,356.92

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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.