Home / 45,144.86-62,310.28-30,038.16

Finding the Fourth Proportional to 45,144.86, 62,310.28 and 30,038.16

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Solution

The fourth proportional to 45,144.86, 62,310.28 and 30,038.16 is: 41,459.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,144.86 : 62,310.28 = 30,038.16 : x
  2. Step 2: Convert to fraction form
    45,144.86/62,310.28 = 30,038.16/x
  3. Step 3: Cross multiply
    45,144.86x = 62,310.28 × 30,038.16
  4. Step 4: Simplify right side
    45,144.86x = 1,871,686,085.19
  5. Step 5: Solve for x
    x = 1,871,686,085.19/45,144.86
  6. Step 6: Final answer
    x = 41,459.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.