Home / 45,398.40-68,075.96-15,812.60

Finding the Fourth Proportional to 45,398.40, 68,075.96 and 15,812.60

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Solution

The fourth proportional to 45,398.40, 68,075.96 and 15,812.60 is: 23,711.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,398.40 : 68,075.96 = 15,812.60 : x
  2. Step 2: Convert to fraction form
    45,398.40/68,075.96 = 15,812.60/x
  3. Step 3: Cross multiply
    45,398.40x = 68,075.96 × 15,812.60
  4. Step 4: Simplify right side
    45,398.40x = 1,076,457,925.10
  5. Step 5: Solve for x
    x = 1,076,457,925.10/45,398.40
  6. Step 6: Final answer
    x = 23,711.36

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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.