Home / 42,036.92-63,064.61-12,457.07

Finding the Fourth Proportional to 42,036.92, 63,064.61 and 12,457.07

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Solution

The fourth proportional to 42,036.92, 63,064.61 and 12,457.07 is: 18,688.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,036.92 : 63,064.61 = 12,457.07 : x
  2. Step 2: Convert to fraction form
    42,036.92/63,064.61 = 12,457.07/x
  3. Step 3: Cross multiply
    42,036.92x = 63,064.61 × 12,457.07
  4. Step 4: Simplify right side
    42,036.92x = 785,600,199.01
  5. Step 5: Solve for x
    x = 785,600,199.01/42,036.92
  6. Step 6: Final answer
    x = 18,688.34

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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.