Home / 42,939.71-64,415.40-14,852.22

Finding the Fourth Proportional to 42,939.71, 64,415.40 and 14,852.22

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Solution

The fourth proportional to 42,939.71, 64,415.40 and 14,852.22 is: 22,280.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,939.71 : 64,415.40 = 14,852.22 : x
  2. Step 2: Convert to fraction form
    42,939.71/64,415.40 = 14,852.22/x
  3. Step 3: Cross multiply
    42,939.71x = 64,415.40 × 14,852.22
  4. Step 4: Simplify right side
    42,939.71x = 956,711,692.19
  5. Step 5: Solve for x
    x = 956,711,692.19/42,939.71
  6. Step 6: Final answer
    x = 22,280.35

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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.