Home / 53,180.48-79,742.50-15,735.40

Finding the Fourth Proportional to 53,180.48, 79,742.50 and 15,735.40

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Solution

The fourth proportional to 53,180.48, 79,742.50 and 15,735.40 is: 23,594.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,180.48 : 79,742.50 = 15,735.40 : x
  2. Step 2: Convert to fraction form
    53,180.48/79,742.50 = 15,735.40/x
  3. Step 3: Cross multiply
    53,180.48x = 79,742.50 × 15,735.40
  4. Step 4: Simplify right side
    53,180.48x = 1,254,779,895.81
  5. Step 5: Solve for x
    x = 1,254,779,895.81/53,180.48
  6. Step 6: Final answer
    x = 23,594.74

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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.