Home / 42,893.55-64,365.62-17,931.67

Finding the Fourth Proportional to 42,893.55, 64,365.62 and 17,931.67

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Solution

The fourth proportional to 42,893.55, 64,365.62 and 17,931.67 is: 26,908.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,893.55 : 64,365.62 = 17,931.67 : x
  2. Step 2: Convert to fraction form
    42,893.55/64,365.62 = 17,931.67/x
  3. Step 3: Cross multiply
    42,893.55x = 64,365.62 × 17,931.67
  4. Step 4: Simplify right side
    42,893.55x = 1,154,182,806.61
  5. Step 5: Solve for x
    x = 1,154,182,806.61/42,893.55
  6. Step 6: Final answer
    x = 26,908.07

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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.