Home / 30,210.56-41,681.94-18,265.24

Finding the Fourth Proportional to 30,210.56, 41,681.94 and 18,265.24

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Solution

The fourth proportional to 30,210.56, 41,681.94 and 18,265.24 is: 25,200.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,210.56 : 41,681.94 = 18,265.24 : x
  2. Step 2: Convert to fraction form
    30,210.56/41,681.94 = 18,265.24/x
  3. Step 3: Cross multiply
    30,210.56x = 41,681.94 × 18,265.24
  4. Step 4: Simplify right side
    30,210.56x = 761,330,637.77
  5. Step 5: Solve for x
    x = 761,330,637.77/30,210.56
  6. Step 6: Final answer
    x = 25,200.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.