Home / 42,265.81-63,308.80-34,331.05

Finding the Fourth Proportional to 42,265.81, 63,308.80 and 34,331.05

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Solution

The fourth proportional to 42,265.81, 63,308.80 and 34,331.05 is: 51,423.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,265.81 : 63,308.80 = 34,331.05 : x
  2. Step 2: Convert to fraction form
    42,265.81/63,308.80 = 34,331.05/x
  3. Step 3: Cross multiply
    42,265.81x = 63,308.80 × 34,331.05
  4. Step 4: Simplify right side
    42,265.81x = 2,173,457,334.14
  5. Step 5: Solve for x
    x = 2,173,457,334.14/42,265.81
  6. Step 6: Final answer
    x = 51,423.54

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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.