Home / 60,756.36-91,152.05-18,642.63

Finding the Fourth Proportional to 60,756.36, 91,152.05 and 18,642.63

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Solution

The fourth proportional to 60,756.36, 91,152.05 and 18,642.63 is: 27,969.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,756.36 : 91,152.05 = 18,642.63 : x
  2. Step 2: Convert to fraction form
    60,756.36/91,152.05 = 18,642.63/x
  3. Step 3: Cross multiply
    60,756.36x = 91,152.05 × 18,642.63
  4. Step 4: Simplify right side
    60,756.36x = 1,699,313,941.89
  5. Step 5: Solve for x
    x = 1,699,313,941.89/60,756.36
  6. Step 6: Final answer
    x = 27,969.32

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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.