Home / 46,871.77-70,312.16-13,137.81

Finding the Fourth Proportional to 46,871.77, 70,312.16 and 13,137.81

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Solution

The fourth proportional to 46,871.77, 70,312.16 and 13,137.81 is: 19,707.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,871.77 : 70,312.16 = 13,137.81 : x
  2. Step 2: Convert to fraction form
    46,871.77/70,312.16 = 13,137.81/x
  3. Step 3: Cross multiply
    46,871.77x = 70,312.16 × 13,137.81
  4. Step 4: Simplify right side
    46,871.77x = 923,747,798.77
  5. Step 5: Solve for x
    x = 923,747,798.77/46,871.77
  6. Step 6: Final answer
    x = 19,707.98

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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.