Home / 45,931.37-63,380.40-25,790.45

Finding the Fourth Proportional to 45,931.37, 63,380.40 and 25,790.45

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Solution

The fourth proportional to 45,931.37, 63,380.40 and 25,790.45 is: 35,588.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,931.37 : 63,380.40 = 25,790.45 : x
  2. Step 2: Convert to fraction form
    45,931.37/63,380.40 = 25,790.45/x
  3. Step 3: Cross multiply
    45,931.37x = 63,380.40 × 25,790.45
  4. Step 4: Simplify right side
    45,931.37x = 1,634,609,037.18
  5. Step 5: Solve for x
    x = 1,634,609,037.18/45,931.37
  6. Step 6: Final answer
    x = 35,588.07

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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.