Home / 46,683.84-70,038.24-20,390.72

Finding the Fourth Proportional to 46,683.84, 70,038.24 and 20,390.72

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Solution

The fourth proportional to 46,683.84, 70,038.24 and 20,390.72 is: 30,591.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,683.84 : 70,038.24 = 20,390.72 : x
  2. Step 2: Convert to fraction form
    46,683.84/70,038.24 = 20,390.72/x
  3. Step 3: Cross multiply
    46,683.84x = 70,038.24 × 20,390.72
  4. Step 4: Simplify right side
    46,683.84x = 1,428,130,141.13
  5. Step 5: Solve for x
    x = 1,428,130,141.13/46,683.84
  6. Step 6: Final answer
    x = 30,591.53

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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.