Home / 42,050.51-63,065.02-12,461.43

Finding the Fourth Proportional to 42,050.51, 63,065.02 and 12,461.43

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Solution

The fourth proportional to 42,050.51, 63,065.02 and 12,461.43 is: 18,688.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,050.51 : 63,065.02 = 12,461.43 : x
  2. Step 2: Convert to fraction form
    42,050.51/63,065.02 = 12,461.43/x
  3. Step 3: Cross multiply
    42,050.51x = 63,065.02 × 12,461.43
  4. Step 4: Simplify right side
    42,050.51x = 785,880,332.18
  5. Step 5: Solve for x
    x = 785,880,332.18/42,050.51
  6. Step 6: Final answer
    x = 18,688.96

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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.