Home / 30,417.63-41,973.59-16,987.02

Finding the Fourth Proportional to 30,417.63, 41,973.59 and 16,987.02

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Solution

The fourth proportional to 30,417.63, 41,973.59 and 16,987.02 is: 23,440.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,417.63 : 41,973.59 = 16,987.02 : x
  2. Step 2: Convert to fraction form
    30,417.63/41,973.59 = 16,987.02/x
  3. Step 3: Cross multiply
    30,417.63x = 41,973.59 × 16,987.02
  4. Step 4: Simplify right side
    30,417.63x = 713,006,097.87
  5. Step 5: Solve for x
    x = 713,006,097.87/30,417.63
  6. Step 6: Final answer
    x = 23,440.56

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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.