Home / 42,353.84-63,531.26-12,771.93

Finding the Fourth Proportional to 42,353.84, 63,531.26 and 12,771.93

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Solution

The fourth proportional to 42,353.84, 63,531.26 and 12,771.93 is: 19,158.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,353.84 : 63,531.26 = 12,771.93 : x
  2. Step 2: Convert to fraction form
    42,353.84/63,531.26 = 12,771.93/x
  3. Step 3: Cross multiply
    42,353.84x = 63,531.26 × 12,771.93
  4. Step 4: Simplify right side
    42,353.84x = 811,417,027.81
  5. Step 5: Solve for x
    x = 811,417,027.81/42,353.84
  6. Step 6: Final answer
    x = 19,158.05

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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.