Home / 53,130.22-79,697.53-15,690.30

Finding the Fourth Proportional to 53,130.22, 79,697.53 and 15,690.30

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Solution

The fourth proportional to 53,130.22, 79,697.53 and 15,690.30 is: 23,536.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,130.22 : 79,697.53 = 15,690.30 : x
  2. Step 2: Convert to fraction form
    53,130.22/79,697.53 = 15,690.30/x
  3. Step 3: Cross multiply
    53,130.22x = 79,697.53 × 15,690.30
  4. Step 4: Simplify right side
    53,130.22x = 1,250,478,154.96
  5. Step 5: Solve for x
    x = 1,250,478,154.96/53,130.22
  6. Step 6: Final answer
    x = 23,536.10

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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.