Home / 53,617.23-74,002.32-30,970.89

Finding the Fourth Proportional to 53,617.23, 74,002.32 and 30,970.89

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Solution

The fourth proportional to 53,617.23, 74,002.32 and 30,970.89 is: 42,745.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,617.23 : 74,002.32 = 30,970.89 : x
  2. Step 2: Convert to fraction form
    53,617.23/74,002.32 = 30,970.89/x
  3. Step 3: Cross multiply
    53,617.23x = 74,002.32 × 30,970.89
  4. Step 4: Simplify right side
    53,617.23x = 2,291,917,712.46
  5. Step 5: Solve for x
    x = 2,291,917,712.46/53,617.23
  6. Step 6: Final answer
    x = 42,745.92

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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.