Home / 42,303.12-58,378-23,440.16

Finding the Fourth Proportional to 42,303.12, 58,378 and 23,440.16

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Solution

The fourth proportional to 42,303.12, 58,378 and 23,440.16 is: 32,347.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,303.12 : 58,378 = 23,440.16 : x
  2. Step 2: Convert to fraction form
    42,303.12/58,378 = 23,440.16/x
  3. Step 3: Cross multiply
    42,303.12x = 58,378 × 23,440.16
  4. Step 4: Simplify right side
    42,303.12x = 1,368,389,660.48
  5. Step 5: Solve for x
    x = 1,368,389,660.48/42,303.12
  6. Step 6: Final answer
    x = 32,347.25

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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.