Home / 30,031.21-41,440.36-17,281.00

Finding the Fourth Proportional to 30,031.21, 41,440.36 and 17,281.00

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Solution

The fourth proportional to 30,031.21, 41,440.36 and 17,281.00 is: 23,846.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,031.21 : 41,440.36 = 17,281.00 : x
  2. Step 2: Convert to fraction form
    30,031.21/41,440.36 = 17,281.00/x
  3. Step 3: Cross multiply
    30,031.21x = 41,440.36 × 17,281.00
  4. Step 4: Simplify right side
    30,031.21x = 716,130,669.06
  5. Step 5: Solve for x
    x = 716,130,669.06/30,031.21
  6. Step 6: Final answer
    x = 23,846.22

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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.