Home / 46,688.60-64,409.40-28,777.07

Finding the Fourth Proportional to 46,688.60, 64,409.40 and 28,777.07

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Solution

The fourth proportional to 46,688.60, 64,409.40 and 28,777.07 is: 39,699.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,688.60 : 64,409.40 = 28,777.07 : x
  2. Step 2: Convert to fraction form
    46,688.60/64,409.40 = 28,777.07/x
  3. Step 3: Cross multiply
    46,688.60x = 64,409.40 × 28,777.07
  4. Step 4: Simplify right side
    46,688.60x = 1,853,513,490.41
  5. Step 5: Solve for x
    x = 1,853,513,490.41/46,688.60
  6. Step 6: Final answer
    x = 39,699.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.