Home / 39,420.12-59,137.97-14,460.40

Finding the Fourth Proportional to 39,420.12, 59,137.97 and 14,460.40

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Solution

The fourth proportional to 39,420.12, 59,137.97 and 14,460.40 is: 21,693.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,420.12 : 59,137.97 = 14,460.40 : x
  2. Step 2: Convert to fraction form
    39,420.12/59,137.97 = 14,460.40/x
  3. Step 3: Cross multiply
    39,420.12x = 59,137.97 × 14,460.40
  4. Step 4: Simplify right side
    39,420.12x = 855,158,701.39
  5. Step 5: Solve for x
    x = 855,158,701.39/39,420.12
  6. Step 6: Final answer
    x = 21,693.46

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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.