Home / 58,660.72-87,941.64-39,888.16

Finding the Fourth Proportional to 58,660.72, 87,941.64 and 39,888.16

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Solution

The fourth proportional to 58,660.72, 87,941.64 and 39,888.16 is: 59,798.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,660.72 : 87,941.64 = 39,888.16 : x
  2. Step 2: Convert to fraction form
    58,660.72/87,941.64 = 39,888.16/x
  3. Step 3: Cross multiply
    58,660.72x = 87,941.64 × 39,888.16
  4. Step 4: Simplify right side
    58,660.72x = 3,507,830,206.98
  5. Step 5: Solve for x
    x = 3,507,830,206.98/58,660.72
  6. Step 6: Final answer
    x = 59,798.62

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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.