Home / 38,946.21-53,745.70-21,041.16

Finding the Fourth Proportional to 38,946.21, 53,745.70 and 21,041.16

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Solution

The fourth proportional to 38,946.21, 53,745.70 and 21,041.16 is: 29,036.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,946.21 : 53,745.70 = 21,041.16 : x
  2. Step 2: Convert to fraction form
    38,946.21/53,745.70 = 21,041.16/x
  3. Step 3: Cross multiply
    38,946.21x = 53,745.70 × 21,041.16
  4. Step 4: Simplify right side
    38,946.21x = 1,130,871,820.41
  5. Step 5: Solve for x
    x = 1,130,871,820.41/38,946.21
  6. Step 6: Final answer
    x = 29,036.76

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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.