Home / 31,386.94-47,075.21-10,327.25

Finding the Fourth Proportional to 31,386.94, 47,075.21 and 10,327.25

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Solution

The fourth proportional to 31,386.94, 47,075.21 and 10,327.25 is: 15,489.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,386.94 : 47,075.21 = 10,327.25 : x
  2. Step 2: Convert to fraction form
    31,386.94/47,075.21 = 10,327.25/x
  3. Step 3: Cross multiply
    31,386.94x = 47,075.21 × 10,327.25
  4. Step 4: Simplify right side
    31,386.94x = 486,157,302.45
  5. Step 5: Solve for x
    x = 486,157,302.45/31,386.94
  6. Step 6: Final answer
    x = 15,489.16

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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.