Home / 30,070.14-41,513.52-18,136.50

Finding the Fourth Proportional to 30,070.14, 41,513.52 and 18,136.50

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Solution

The fourth proportional to 30,070.14, 41,513.52 and 18,136.50 is: 25,038.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,070.14 : 41,513.52 = 18,136.50 : x
  2. Step 2: Convert to fraction form
    30,070.14/41,513.52 = 18,136.50/x
  3. Step 3: Cross multiply
    30,070.14x = 41,513.52 × 18,136.50
  4. Step 4: Simplify right side
    30,070.14x = 752,909,955.48
  5. Step 5: Solve for x
    x = 752,909,955.48/30,070.14
  6. Step 6: Final answer
    x = 25,038.46

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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.