Home / 53,109.40-79,645.74-23,547.91

Finding the Fourth Proportional to 53,109.40, 79,645.74 and 23,547.91

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Solution

The fourth proportional to 53,109.40, 79,645.74 and 23,547.91 is: 35,313.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,109.40 : 79,645.74 = 23,547.91 : x
  2. Step 2: Convert to fraction form
    53,109.40/79,645.74 = 23,547.91/x
  3. Step 3: Cross multiply
    53,109.40x = 79,645.74 × 23,547.91
  4. Step 4: Simplify right side
    53,109.40x = 1,875,490,717.40
  5. Step 5: Solve for x
    x = 1,875,490,717.40/53,109.40
  6. Step 6: Final answer
    x = 35,313.72

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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.