Home / 42,877.23-64,315.87-17,903.67

Finding the Fourth Proportional to 42,877.23, 64,315.87 and 17,903.67

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Solution

The fourth proportional to 42,877.23, 64,315.87 and 17,903.67 is: 26,855.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,877.23 : 64,315.87 = 17,903.67 : x
  2. Step 2: Convert to fraction form
    42,877.23/64,315.87 = 17,903.67/x
  3. Step 3: Cross multiply
    42,877.23x = 64,315.87 × 17,903.67
  4. Step 4: Simplify right side
    42,877.23x = 1,151,490,112.24
  5. Step 5: Solve for x
    x = 1,151,490,112.24/42,877.23
  6. Step 6: Final answer
    x = 26,855.52

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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.