Home / 29,533.81-40,756.67-18,937.80

Finding the Fourth Proportional to 29,533.81, 40,756.67 and 18,937.80

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Solution

The fourth proportional to 29,533.81, 40,756.67 and 18,937.80 is: 26,134.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,533.81 : 40,756.67 = 18,937.80 : x
  2. Step 2: Convert to fraction form
    29,533.81/40,756.67 = 18,937.80/x
  3. Step 3: Cross multiply
    29,533.81x = 40,756.67 × 18,937.80
  4. Step 4: Simplify right side
    29,533.81x = 771,841,665.13
  5. Step 5: Solve for x
    x = 771,841,665.13/29,533.81
  6. Step 6: Final answer
    x = 26,134.17

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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.