Home / 43,864.50-65,803.59-14,275.35

Finding the Fourth Proportional to 43,864.50, 65,803.59 and 14,275.35

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Solution

The fourth proportional to 43,864.50, 65,803.59 and 14,275.35 is: 21,415.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,864.50 : 65,803.59 = 14,275.35 : x
  2. Step 2: Convert to fraction form
    43,864.50/65,803.59 = 14,275.35/x
  3. Step 3: Cross multiply
    43,864.50x = 65,803.59 × 14,275.35
  4. Step 4: Simplify right side
    43,864.50x = 939,369,278.51
  5. Step 5: Solve for x
    x = 939,369,278.51/43,864.50
  6. Step 6: Final answer
    x = 21,415.25

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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.