Home / 39,636.90-59,461.49-13,339.59

Finding the Fourth Proportional to 39,636.90, 59,461.49 and 13,339.59

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Solution

The fourth proportional to 39,636.90, 59,461.49 and 13,339.59 is: 20,011.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,636.90 : 59,461.49 = 13,339.59 : x
  2. Step 2: Convert to fraction form
    39,636.90/59,461.49 = 13,339.59/x
  3. Step 3: Cross multiply
    39,636.90x = 59,461.49 × 13,339.59
  4. Step 4: Simplify right side
    39,636.90x = 793,191,897.39
  5. Step 5: Solve for x
    x = 793,191,897.39/39,636.90
  6. Step 6: Final answer
    x = 20,011.45

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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.