Home / 30,417.19-41,975.63-16,988.45

Finding the Fourth Proportional to 30,417.19, 41,975.63 and 16,988.45

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Solution

The fourth proportional to 30,417.19, 41,975.63 and 16,988.45 is: 23,444.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,417.19 : 41,975.63 = 16,988.45 : x
  2. Step 2: Convert to fraction form
    30,417.19/41,975.63 = 16,988.45/x
  3. Step 3: Cross multiply
    30,417.19x = 41,975.63 × 16,988.45
  4. Step 4: Simplify right side
    30,417.19x = 713,100,596.65
  5. Step 5: Solve for x
    x = 713,100,596.65/30,417.19
  6. Step 6: Final answer
    x = 23,444.00

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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.