Home / 53,037.21-79,544.62-15,587.12

Finding the Fourth Proportional to 53,037.21, 79,544.62 and 15,587.12

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Solution

The fourth proportional to 53,037.21, 79,544.62 and 15,587.12 is: 23,377.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,037.21 : 79,544.62 = 15,587.12 : x
  2. Step 2: Convert to fraction form
    53,037.21/79,544.62 = 15,587.12/x
  3. Step 3: Cross multiply
    53,037.21x = 79,544.62 × 15,587.12
  4. Step 4: Simplify right side
    53,037.21x = 1,239,871,697.19
  5. Step 5: Solve for x
    x = 1,239,871,697.19/53,037.21
  6. Step 6: Final answer
    x = 23,377.39

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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.