Home / 30,237.04-45,347.36-19,127.04

Finding the Fourth Proportional to 30,237.04, 45,347.36 and 19,127.04

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Solution

The fourth proportional to 30,237.04, 45,347.36 and 19,127.04 is: 28,685.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,237.04 : 45,347.36 = 19,127.04 : x
  2. Step 2: Convert to fraction form
    30,237.04/45,347.36 = 19,127.04/x
  3. Step 3: Cross multiply
    30,237.04x = 45,347.36 × 19,127.04
  4. Step 4: Simplify right side
    30,237.04x = 867,360,768.61
  5. Step 5: Solve for x
    x = 867,360,768.61/30,237.04
  6. Step 6: Final answer
    x = 28,685.37

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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.