Home / 39,420.42-59,130.77-9,838.23

Finding the Fourth Proportional to 39,420.42, 59,130.77 and 9,838.23

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Solution

The fourth proportional to 39,420.42, 59,130.77 and 9,838.23 is: 14,757.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,420.42 : 59,130.77 = 9,838.23 : x
  2. Step 2: Convert to fraction form
    39,420.42/59,130.77 = 9,838.23/x
  3. Step 3: Cross multiply
    39,420.42x = 59,130.77 × 9,838.23
  4. Step 4: Simplify right side
    39,420.42x = 581,742,066.15
  5. Step 5: Solve for x
    x = 581,742,066.15/39,420.42
  6. Step 6: Final answer
    x = 14,757.38

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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.