Home / 53,106.51-79,641.20-15,656.64

Finding the Fourth Proportional to 53,106.51, 79,641.20 and 15,656.64

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Solution

The fourth proportional to 53,106.51, 79,641.20 and 15,656.64 is: 23,479.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,106.51 : 79,641.20 = 15,656.64 : x
  2. Step 2: Convert to fraction form
    53,106.51/79,641.20 = 15,656.64/x
  3. Step 3: Cross multiply
    53,106.51x = 79,641.20 × 15,656.64
  4. Step 4: Simplify right side
    53,106.51x = 1,246,913,742.00
  5. Step 5: Solve for x
    x = 1,246,913,742.00/53,106.51
  6. Step 6: Final answer
    x = 23,479.49

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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.