Home / 42,690.13-64,014.01-14,602.23

Finding the Fourth Proportional to 42,690.13, 64,014.01 and 14,602.23

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Solution

The fourth proportional to 42,690.13, 64,014.01 and 14,602.23 is: 21,896.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,690.13 : 64,014.01 = 14,602.23 : x
  2. Step 2: Convert to fraction form
    42,690.13/64,014.01 = 14,602.23/x
  3. Step 3: Cross multiply
    42,690.13x = 64,014.01 × 14,602.23
  4. Step 4: Simplify right side
    42,690.13x = 934,747,260.74
  5. Step 5: Solve for x
    x = 934,747,260.74/42,690.13
  6. Step 6: Final answer
    x = 21,896.10

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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.