Home / 42,471.36-63,707.04-19,070.46

Finding the Fourth Proportional to 42,471.36, 63,707.04 and 19,070.46

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Solution

The fourth proportional to 42,471.36, 63,707.04 and 19,070.46 is: 28,605.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,471.36 : 63,707.04 = 19,070.46 : x
  2. Step 2: Convert to fraction form
    42,471.36/63,707.04 = 19,070.46/x
  3. Step 3: Cross multiply
    42,471.36x = 63,707.04 × 19,070.46
  4. Step 4: Simplify right side
    42,471.36x = 1,214,922,558.04
  5. Step 5: Solve for x
    x = 1,214,922,558.04/42,471.36
  6. Step 6: Final answer
    x = 28,605.69

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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.