Home / 42,903.26-64,215.16-38,811.14

Finding the Fourth Proportional to 42,903.26, 64,215.16 and 38,811.14

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Solution

The fourth proportional to 42,903.26, 64,215.16 and 38,811.14 is: 58,090.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,903.26 : 64,215.16 = 38,811.14 : x
  2. Step 2: Convert to fraction form
    42,903.26/64,215.16 = 38,811.14/x
  3. Step 3: Cross multiply
    42,903.26x = 64,215.16 × 38,811.14
  4. Step 4: Simplify right side
    42,903.26x = 2,492,263,564.88
  5. Step 5: Solve for x
    x = 2,492,263,564.88/42,903.26
  6. Step 6: Final answer
    x = 58,090.31

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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.