Home / 56,459.68-77,915.73-30,967.09

Finding the Fourth Proportional to 56,459.68, 77,915.73 and 30,967.09

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Solution

The fourth proportional to 56,459.68, 77,915.73 and 30,967.09 is: 42,735.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,459.68 : 77,915.73 = 30,967.09 : x
  2. Step 2: Convert to fraction form
    56,459.68/77,915.73 = 30,967.09/x
  3. Step 3: Cross multiply
    56,459.68x = 77,915.73 × 30,967.09
  4. Step 4: Simplify right side
    56,459.68x = 2,412,823,423.33
  5. Step 5: Solve for x
    x = 2,412,823,423.33/56,459.68
  6. Step 6: Final answer
    x = 42,735.34

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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.