Home / 51,870.13-77,805.26-14,430.22

Finding the Fourth Proportional to 51,870.13, 77,805.26 and 14,430.22

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Solution

The fourth proportional to 51,870.13, 77,805.26 and 14,430.22 is: 21,645.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,870.13 : 77,805.26 = 14,430.22 : x
  2. Step 2: Convert to fraction form
    51,870.13/77,805.26 = 14,430.22/x
  3. Step 3: Cross multiply
    51,870.13x = 77,805.26 × 14,430.22
  4. Step 4: Simplify right side
    51,870.13x = 1,122,747,018.96
  5. Step 5: Solve for x
    x = 1,122,747,018.96/51,870.13
  6. Step 6: Final answer
    x = 21,645.35

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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.